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root/cebix/BasiliskII/src/Unix/configure.ac

Comparing BasiliskII/src/Unix/configure.ac (file contents):
Revision 1.18 by gbeauche, 2003-08-17T10:16:23Z vs.
Revision 1.60 by gbeauche, 2006-01-27T23:49:01Z

#	Line 6 | Line 6 | AC_CONFIG_SRCDIR(main_unix.cpp)
6		AC_PREREQ(2.52)
7		AC_CONFIG_HEADER(config.h)
8
9	+	dnl Aliases for PACKAGE and VERSION macros.
10	+	AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE_NAME", [Define this program name.])
11	+	AC_DEFINE_UNQUOTED(VERSION, "$PACKAGE_VERSION", [Define this program version.])
12	+
13	+	dnl Some systems do not put corefiles in the currect directory, avoid saving
14	+	dnl cores for the configure tests since some are intended to dump core.
15	+	ulimit -c 0
16	+
17		dnl Video options.
18		AC_ARG_ENABLE(xf86-dga,      [  --enable-xf86-dga       use the XFree86 DGA extension [default=yes]], [WANT_XF86_DGA=$enableval], [WANT_XF86_DGA=yes])
19		AC_ARG_ENABLE(xf86-vidmode,  [  --enable-xf86-vidmode   use the XFree86 VidMode extension [default=yes]], [WANT_XF86_VIDMODE=$enableval], [WANT_XF86_VIDMODE=yes])
20		AC_ARG_ENABLE(fbdev-dga,     [  --enable-fbdev-dga      use direct frame buffer access via /dev/fb [default=yes]], [WANT_FBDEV_DGA=$enableval], [WANT_FBDEV_DGA=yes])
21		AC_ARG_ENABLE(vosf,          [  --enable-vosf           enable video on SEGV signals [default=yes]], [WANT_VOSF=$enableval], [WANT_VOSF=yes])
22
23	+	dnl SDL options.
24	+	AC_ARG_ENABLE(sdl-static,    [  --enable-sdl-static     use SDL static libraries for linking [default=no]], [WANT_SDL_STATIC=$enableval], [WANT_SDL_STATIC=no])
25	+	AC_ARG_ENABLE(sdl-video,     [  --enable-sdl-video      use SDL for video graphics [default=no]], [WANT_SDL_VIDEO=$enableval], [WANT_SDL_VIDEO=no])
26	+	AC_ARG_ENABLE(sdl-audio,     [  --enable-sdl-audio      use SDL for audio [default=no]], [WANT_SDL_AUDIO=$enableval], [WANT_SDL_AUDIO=no])
27	+
28		dnl JIT compiler options.
29		AC_ARG_ENABLE(jit-compiler,  [  --enable-jit-compiler   enable JIT compiler [default=no]], [WANT_JIT=$enableval], [WANT_JIT=no])
30		AC_ARG_ENABLE(jit-debug,     [  --enable-jit-debug      activate native code disassemblers [default=no]], [WANT_JIT_DEBUG=$enableval], [WANT_JIT_DEBUG=no])
#	Line 47 | Line 60 | AC_ARG_ENABLE(addressing,
60
61		dnl External packages.
62		AC_ARG_WITH(esd,             [  --with-esd              support ESD for sound under Linux/FreeBSD [default=yes]], [WANT_ESD=$withval], [WANT_ESD=yes])
63	<	AC_ARG_WITH(gtk,             [  --with-gtk              use GTK user interface [default=yes]], [WANT_GTK=$withval], [WANT_GTK=yes])
63	>	AC_ARG_WITH(gtk,             [  --with-gtk              use GTK user interface [default=yes]],
64	>	[case "$withval" in
65	>	gtk1)      WANT_GTK="gtk";;
66	>	gtk|gtk2)  WANT_GTK="$withval";;
67	>	yes)       WANT_GTK="gtk2 gtk";;
68	>	*)         WANT_GTK="no";;
69	>	esac],
70	>	[WANT_GTK="gtk2 gtk"])
71		AC_ARG_WITH(mon,             [  --with-mon              use mon as debugger [default=yes]], [WANT_MON=$withval], [WANT_MON=yes])
72
73		dnl Canonical system information.
#	Line 86 | Line 106 | AC_PROG_CPP
106		AC_PROG_CXX
107		AC_PROG_MAKE_SET
108		AC_PROG_INSTALL
109	+	AC_PROG_EGREP
110
111		dnl We use mon if possible.
112		MONSRCS=
#	Line 104 | Line 125 | if [[ "x$WANT_MON" = "xyes" ]]; then
125		AC_CHECK_LIB(Hcurses, tgetent, ,
126		AC_CHECK_LIB(curses, tgetent))))))
127		AC_CHECK_LIB(readline, readline)
107	–	AC_CHECK_HEADERS(readline.h history.h readline/readline.h readline/history.h)
128		else
129		AC_MSG_RESULT(no)
130		AC_MSG_WARN([Could not find mon, ignoring --with-mon.])
#	Line 115 | Line 135 | fi
135		dnl Checks for libraries.
136		AC_CHECK_LIB(posix4, sem_init)
137		AC_CHECK_LIB(rt, timer_create)
138	+	AC_CHECK_LIB(rt, shm_open)
139	+	AC_CHECK_LIB(m, cos)
140	+
141	+	dnl Do we need SDL?
142	+	WANT_SDL=no
143	+	if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; then
144	+	WANT_SDL=yes
145	+	WANT_XF86_DGA=no
146	+	WANT_XF86_VIDMODE=no
147	+	WANT_FBDEV_DGA=no
148	+	SDL_SUPPORT="$SDL_SUPPORT video"
149	+	fi
150	+	if [[ "x$WANT_SDL_AUDIO" = "xyes" ]]; then
151	+	WANT_SDL=yes
152	+	SDL_SUPPORT="$SDL_SUPPORT audio"
153	+	fi
154	+	if [[ "x$WANT_SDL" = "xyes" ]]; then
155	+	AC_PATH_PROG(sdl_config, "sdl-config")
156	+	if [[ -n "$sdl_config" ]]; then
157	+	case $target_os in
158	+	# Special treatment for Cygwin so that we can still use the POSIX layer
159	+	*cygwin*)
160	+	sdl_cflags="-I`$sdl_config --prefix`/include/SDL"
161	+	sdl_libs="-L`$sdl_config --exec-prefix`/lib -lSDL"
162	+	;;
163	+	*)
164	+	sdl_cflags=`$sdl_config --cflags`
165	+	if [[ "x$WANT_SDL_STATIC" = "xyes" ]]; then
166	+	sdl_libs=`$sdl_config --static-libs`
167	+	else
168	+	sdl_libs=`$sdl_config --libs`
169	+	fi
170	+	;;
171	+	esac
172	+	CFLAGS="$CFLAGS $sdl_cflags"
173	+	CXXFLAGS="$CXXFLAGS $sdl_cflags"
174	+	LIBS="$LIBS $sdl_libs"
175	+	else
176	+	WANT_SDL=no
177	+	fi
178	+	SDL_SUPPORT=`echo "$SDL_SUPPORT" | sed -e "s/^ //"`
179	+	else
180	+	SDL_SUPPORT="none"
181	+	fi
182
183	<	dnl We need X11.
184	<	AC_PATH_XTRA
185	<	if [[ "x$no_x" = "xyes" ]]; then
186	<	AC_MSG_ERROR([You need X11 to run Basilisk II.])
187	<	fi
188	<	CFLAGS="$CFLAGS $X_CFLAGS"
189	<	CXXFLAGS="$CXXFLAGS $X_CFLAGS"
190	<	LIBS="$LIBS $X_PRE_LIBS $X_LIBS -lX11 -lXext $X_EXTRA_LIBS"
183	>	dnl We need X11, if not using SDL.
184	>	if [[ "x$WANT_SDL" = "xno" ]]; then
185	>	AC_PATH_XTRA
186	>	if [[ "x$no_x" = "xyes" ]]; then
187	>	AC_MSG_ERROR([You need X11 to run Basilisk II.])
188	>	fi
189	>	CFLAGS="$CFLAGS $X_CFLAGS"
190	>	CXXFLAGS="$CXXFLAGS $X_CFLAGS"
191	>	LIBS="$LIBS $X_PRE_LIBS $X_LIBS -lX11 -lXext $X_EXTRA_LIBS"
192	>	fi
193
194		dnl We want pthreads. Try libpthread first, then libc_r (FreeBSD), then PTL.
195		HAVE_PTHREADS=yes
#	Line 137 | Line 203 | AC_CHECK_LIB(pthread, pthread_create, ,
203		if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
204		AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.])
205		fi
206	<	AC_CHECK_FUNCS(pthread_cancel)
206	>	AC_CHECK_FUNCS(pthread_cond_init)
207	>	AC_CHECK_FUNCS(pthread_cancel pthread_testcancel)
208		AC_CHECK_FUNCS(pthread_mutexattr_setprotocol)
209		AC_CHECK_FUNCS(pthread_mutexattr_settype)
210		AC_CHECK_FUNCS(pthread_mutexattr_setpshared)
#	Line 181 | Line 248 | fi
248
249		dnl We use GTK+ if possible.
250		UISRCS=../dummy/prefs_editor_dummy.cpp
251	<	if [[ "x$WANT_GTK" = "xyes" ]]; then
251	>	case "x$WANT_GTK" in
252	>	xgtk2*)
253	>	AM_PATH_GTK_2_0(1.3.15, [
254	>	AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
255	>	CFLAGS="$CFLAGS $GTK_CFLAGS"
256	>	CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
257	>	LIBS="$LIBS $GTK_LIBS"
258	>	UISRCS=prefs_editor_gtk.cpp
259	>	WANT_GTK=gtk2
260	>	], [
261	>	case "x${WANT_GTK}x" in
262	>	*gtkx)
263	>	AC_MSG_WARN([Could not find GTK+ 2.0, trying with GTK+ 1.2.])
264	>	WANT_GTK=gtk
265	>	;;
266	>	*)
267	>	AC_MSG_WARN([Could not find GTK+, disabling user interface.])
268	>	WANT_GTK=no
269	>	;;
270	>	esac
271	>	])
272	>	;;
273	>	esac
274	>	if [[ "x$WANT_GTK" = "xgtk" ]]; then
275		AM_PATH_GTK(1.2.0, [
276		AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
277		CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
#	Line 220 | Line 310 | AC_SYS_LARGEFILE
310
311		dnl Checks for header files.
312		AC_HEADER_STDC
313	<	AC_CHECK_HEADERS(unistd.h fcntl.h sys/time.h sys/mman.h)
313	>	AC_CHECK_HEADERS(stdlib.h stdint.h)
314	>	AC_CHECK_HEADERS(unistd.h fcntl.h sys/types.h sys/time.h sys/mman.h mach/mach.h)
315	>	AC_CHECK_HEADERS(readline.h history.h readline/readline.h readline/history.h)
316	>	AC_CHECK_HEADERS(sys/socket.h sys/ioctl.h sys/filio.h sys/bitypes.h sys/wait.h)
317	>	AC_CHECK_HEADERS(sys/poll.h sys/select.h)
318	>	AC_CHECK_HEADERS(arpa/inet.h)
319	>	AC_CHECK_HEADERS(linux/if.h linux/if_tun.h net/if.h net/if_tun.h, [], [], [
320	>	#ifdef HAVE_SYS_TYPES_H
321	>	#include <sys/types.h>
322	>	#endif
323	>	#ifdef HAVE_SYS_SOCKET_H
324	>	#include <sys/socket.h>
325	>	#endif
326	>	])
327	>	AC_CHECK_HEADERS(AvailabilityMacros.h)
328	>	AC_CHECK_HEADERS(IOKit/storage/IOBlockStorageDevice.h)
329
330		dnl Checks for typedefs, structures, and compiler characteristics.
331		AC_C_BIGENDIAN
#	Line 235 | Line 340 | AC_CHECK_SIZEOF(double, 8)
340		AC_CHECK_SIZEOF(long double, 12)
341		AC_CHECK_SIZEOF(void *, 4)
342		AC_TYPE_OFF_T
343	<	AC_CHECK_TYPE(loff_t, off_t)
344	<	AC_CHECK_TYPE(caddr_t, [char *])
343	>	AC_CHECK_TYPES(loff_t)
344	>	AC_CHECK_TYPES(caddr_t)
345		AC_TYPE_SIZE_T
346		AC_TYPE_SIGNAL
347		AC_HEADER_TIME
#	Line 260 | Line 365 | if [[ "x$ac_cv_type_socklen_t" != "xyes"
365		fi
366
367		dnl Checks for library functions.
368	<	AC_CHECK_FUNCS(strdup cfmakeraw)
368	>	AC_CHECK_FUNCS(strdup strerror cfmakeraw)
369		AC_CHECK_FUNCS(clock_gettime timer_create)
370		AC_CHECK_FUNCS(sigaction signal)
371		AC_CHECK_FUNCS(mmap mprotect munmap)
372		AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect)
373	+	AC_CHECK_FUNCS(poll inet_aton)
374
375		dnl Darwin seems to define mach_task_self() instead of task_self().
376		AC_CHECK_FUNCS(mach_task_self task_self)
#	Line 291 | Line 397 | mips-sony-bsd|mips-sony-newsos4)
397		*-*-sco3.2v5*)
398		no_dev_ptmx=1
399		;;
400	+	*-*-cygwin*)
401	+	no_dev_ptmx=1
402	+	;;
403		esac
404
405		if test -z "$no_dev_ptmx" ; then
#	Line 313 | Line 422 | AC_CHECK_FILE([/dev/ptc],
422		dnl (end of code from openssh-3.2.2p1 configure.ac)
423
424
425	+	dnl Check for systems where POSIX-style non-blocking I/O (O_NONBLOCK)
426	+	dnl doesn't work or is unimplemented. On these systems (mostly older
427	+	dnl ones), use the old BSD-style FIONBIO approach instead. [tcl.m4]
428	+	AC_CACHE_CHECK([FIONBIO vs. O_NONBLOCK for non-blocking I/O],
429	+	ac_cv_nonblocking_io, [
430	+	case "$host" in
431	+	*-*-osf*)
432	+	ac_cv_nonblocking_io=FIONBIO
433	+	;;
434	+	*-*-sunos4*)
435	+	ac_cv_nonblocking_io=FIONBIO
436	+	;;
437	+	*-*-ultrix*)
438	+	ac_cv_nonblocking_io=FIONBIO
439	+	;;
440	+	*)
441	+	ac_cv_nonblocking_io=O_NONBLOCK
442	+	;;
443	+	esac
444	+	])
445	+	if [[ "$ac_cv_nonblocking_io" = "FIONBIO" ]]; then
446	+	AC_DEFINE(USE_FIONBIO, 1, [Define if BSD-style non-blocking I/O is to be used])
447	+	fi
448	+
449	+	dnl Check whether compiler supports byte bit-fields
450	+	AC_CACHE_CHECK([whether compiler supports byte bit-fields],
451	+	ac_cv_have_byte_bitfields, [
452	+	AC_LANG_SAVE
453	+	AC_LANG_CPLUSPLUS
454	+	AC_TRY_RUN([
455	+	struct A {
456	+	unsigned char b1:4;
457	+	unsigned char b2:4;
458	+	unsigned char c;
459	+	unsigned short s;
460	+	unsigned char a[4];
461	+	};
462	+
463	+	int main(void) {
464	+	A a;
465	+	return ! (sizeof(A) == 8 && &a.c == ((unsigned char *)&a + 1));
466	+	}],
467	+	[ac_cv_have_byte_bitfields=yes],
468	+	[ac_cv_have_byte_bitfields=no],
469	+	dnl When cross-compiling, assume only GCC supports this
470	+	[if [[ "$GCC" = "yes" ]]; then
471	+	ac_cv_have_byte_bitfields="guessing yes"
472	+	else
473	+	ac_cv_have_byte_bitfields="guessing no"
474	+	fi]
475	+	)
476	+	AC_LANG_RESTORE
477	+	])
478	+
479	+	dnl AC_CHECK_FRAMEWORK($1=NAME, $2=INCLUDES)
480	+	AC_DEFUN([AC_CHECK_FRAMEWORK], [
481	+	AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1])dnl
482	+	AC_CACHE_CHECK([whether compiler supports framework $1],
483	+	ac_Framework, [
484	+	saved_LIBS="$LIBS"
485	+	LIBS="$LIBS -framework $1"
486	+	AC_TRY_LINK(
487	+	[$2], [],
488	+	[AS_VAR_SET(ac_Framework, yes)], [AS_VAR_SET(ac_Framework, no); LIBS="$saved_LIBS"]
489	+	)
490	+	])
491	+	AS_IF([test AS_VAR_GET(ac_Framework) = yes],
492	+	[AC_DEFINE(AS_TR_CPP(HAVE_FRAMEWORK_$1), 1, [Define if framework $1 is available.])]
493	+	)
494	+	AS_VAR_POPDEF([ac_Framework])dnl
495	+	])
496	+
497	+	dnl Check for some MacOS X frameworks
498	+	AC_CHECK_FRAMEWORK(Carbon, [#include <Carbon/Carbon.h>])
499	+	AC_CHECK_FRAMEWORK(IOKit, [#include <IOKit/IOKitLib.h>])
500	+	AC_CHECK_FRAMEWORK(CoreFoundation, [#include <CoreFoundation/CoreFoundation.h>])
501	+
502		dnl Select system-dependant source files.
503		SERIALSRC=serial_unix.cpp
504		ETHERSRC=../dummy/ether_dummy.cpp
505		SCSISRC=../dummy/scsi_dummy.cpp
506		AUDIOSRC=../dummy/audio_dummy.cpp
507	+	EXTFSSRC=extfs_unix.cpp
508		EXTRASYSSRCS=
509		CAN_NATIVE_M68K=no
510		case "$target_os" in
#	Line 351 | Line 538 | freebsd*)
538		;;
539		netbsd*)
540		CAN_NATIVE_M68K=yes
541	+	ETHERSRC=ether_unix.cpp
542		;;
543		solaris*)
544		AUDIOSRC=Solaris/audio_solaris.cpp
545		DEFINES="$DEFINES -DBSD_COMP -D_POSIX_PTHREAD_SEMANTICS"
546		;;
547		irix*)
360	–	ETHERSRC=ether_unix.cpp
548		AUDIOSRC=Irix/audio_irix.cpp
549		EXTRASYSSRCS=Irix/unaligned.c
363	–	dnl IRIX headers work fine, but somehow don't define or use "STDC_HEADERS"
364	–	DEFINES="$DEFINES -DCRTSCTS=CNEW_RTSCTS -DB230400=B115200 -DSTDC_HEADERS"
550		LIBS="$LIBS -laudio"
551		WANT_ESD=no
552
#	Line 371 | Line 556 | irix*)
556		CFLAGS=`echo "$CFLAGS -IPA" | sed -e "s/-g//g"`
557		AC_MSG_CHECKING(if "-IPA" works)
558		dnl Do a test compile of an empty function
559	<	AC_TRY_COMPILE(,, [AC_MSG_RESULT(yes); HAVE_IPA=yes], AC_MSG_RESULT(no))
559	>	AC_TRY_COMPILE([#if defined __GNUC__
560	>	# error GCC does not support IPA yet
561	>	#endif],, [AC_MSG_RESULT(yes); HAVE_IPA=yes], AC_MSG_RESULT(no))
562		CFLAGS="$ocflags"
563	+	;;
564	+	darwin*)
565	+	ETHERSRC=ether_unix.cpp
566	+	if [[ "x$ac_cv_framework_IOKit" = "xyes" -a "x$ac_cv_framework_CoreFoundation" = "xyes" ]]; then
567	+	EXTRASYSSRCS="../MacOSX/sys_darwin.cpp"
568	+	fi
569	+	if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
570	+	EXTFSSRC=../MacOSX/extfs_macosx.mm
571	+	fi
572	+	;;
573	+	cygwin*)
574	+	SERIALSRC="../dummy/serial_dummy.cpp"
575	+	EXTRASYSSRCS="../Windows/BasiliskII.rc"
576	+	;;
577	+	esac
578
579	+	dnl Is the slirp library supported?
580	+	case "$ac_cv_have_byte_bitfields" in
581	+	yes|"guessing yes")
582	+	CAN_SLIRP=yes
583	+	ETHERSRC=ether_unix.cpp
584		;;
585		esac
586	+	if [[ -n "$CAN_SLIRP" ]]; then
587	+	AC_DEFINE(HAVE_SLIRP, 1, [Define if slirp library is supported])
588	+	SLIRP_SRCS="\
589	+	../slirp/bootp.c     ../slirp/ip_output.c  ../slirp/tcp_input.c  \
590	+	../slirp/cksum.c     ../slirp/mbuf.c       ../slirp/tcp_output.c \
591	+	../slirp/debug.c     ../slirp/misc.c       ../slirp/tcp_subr.c   \
592	+	../slirp/if.c        ../slirp/sbuf.c       ../slirp/tcp_timer.c  \
593	+	../slirp/ip_icmp.c   ../slirp/slirp.c      ../slirp/tftp.c       \
594	+	../slirp/ip_input.c  ../slirp/socket.c     ../slirp/udp.c"
595	+	fi
596	+	AC_SUBST(SLIRP_SRCS)
597	+
598	+	dnl SDL overrides
599	+	if [[ "x$WANT_SDL" = "xyes" ]]; then
600	+	AC_DEFINE(USE_SDL, 1, [Define to enble SDL support])
601	+	fi
602	+	if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; then
603	+	AC_DEFINE(USE_SDL_VIDEO, 1, [Define to enable SDL video graphics support])
604	+	VIDEOSRCS="../SDL/video_sdl.cpp"
605	+	KEYCODES="../SDL/keycodes"
606	+	if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
607	+	EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/clip_macosx.cpp"
608	+	else
609	+	case "$target_os" in
610	+	cygwin*)
611	+	EXTRASYSSRCS="$EXTRASYSSRCS ../Windows/clip_windows.cpp"
612	+	;;
613	+	*)
614	+	EXTRASYSSRCS="$EXTRASYSSRCS ../dummy/clip_dummy.cpp"
615	+	;;
616	+	esac
617	+	fi
618	+	else
619	+	VIDEOSRCS="video_x.cpp"
620	+	KEYCODES="keycodes"
621	+	EXTRASYSSRCS="$EXTRASYSSRCS clip_unix.cpp"
622	+	fi
623	+	if [[ "x$WANT_SDL_AUDIO" = "xyes" ]]; then
624	+	AC_DEFINE(USE_SDL_AUDIO, 1, [Define to enable SDL audio support])
625	+	AUDIOSRC="../SDL/audio_sdl.cpp"
626	+	fi
627
628		dnl Use 68k CPU natively?
629		WANT_NATIVE_M68K=no
#	Line 391 | Line 639 | if [[ "x$HAVE_PTHREADS" = "xno" ]]; then
639		ETHERSRC=../dummy/ether_dummy.cpp
640		AUDIOSRC=../dummy/audio_dummy.cpp
641		fi
642	<	SYSSRCS="$SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS"
642	>	SYSSRCS="$VIDEOSRCS $EXTFSSRC $SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS"
643
644		dnl Define a macro that translates a yesno-variable into a C macro definition
645		dnl to be put into the config.h file
646		dnl $1 -- the macro to define
647		dnl $2 -- the value to translate
648		dnl $3 -- template name
649	<	AC_DEFUN(AC_TRANSLATE_DEFINE, [
649	>	AC_DEFUN([AC_TRANSLATE_DEFINE], [
650		if [[ "x$2" = "xyes" -o "x$2" = "xguessing yes" ]]; then
651		AC_DEFINE($1, 1, $3)
652		fi
653		])
654
655	+	dnl Check that the host supports TUN/TAP devices
656	+	AC_CACHE_CHECK([whether TUN/TAP is supported],
657	+	ac_cv_tun_tap_support, [
658	+	AC_TRY_COMPILE([
659	+	#if defined(HAVE_LINUX_IF_H) && defined(HAVE_LINUX_IF_TUN_H)
660	+	#include <linux/if.h>
661	+	#include <linux/if_tun.h>
662	+	#endif
663	+	#if defined(HAVE_NET_IF_H) && defined(HAVE_NET_IF_TUN_H)
664	+	#include <net/if.h>
665	+	#include <net/if_tun.h>
666	+	#endif
667	+	], [
668	+	struct ifreq ifr;
669	+	memset(&ifr, 0, sizeof(ifr));
670	+	ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
671	+	],
672	+	ac_cv_tun_tap_support=yes, ac_cv_tun_tap_support=no
673	+	)
674	+	])
675	+	AC_TRANSLATE_DEFINE(ENABLE_TUNTAP, "$ac_cv_tun_tap_support",
676	+	[Define if your system supports TUN/TAP devices.])
677	+
678		dnl Various checks if the system supports vm_allocate() and the like functions.
679		have_mach_vm=no
680		if [[ "x$ac_cv_func_vm_allocate" = "xyes" -a "x$ac_cv_func_vm_deallocate" = "xyes" -a \
#	Line 550 | Line 821 | AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, $have_
821
822		fi dnl HAVE_MMAP_VM
823
824	+	dnl Check if we can modify the __PAGEZERO segment for use as Low Memory
825	+	AC_CACHE_CHECK([whether __PAGEZERO can be Low Memory area 0x0000-0x2000],
826	+	ac_cv_pagezero_hack, [
827	+	ac_cv_pagezero_hack=no
828	+	if AC_TRY_COMMAND([Darwin/testlmem.sh 0x2000]); then
829	+	ac_cv_pagezero_hack=yes
830	+	dnl might as well skip the test for mmap-able low memory
831	+	ac_cv_can_map_lm=no
832	+	fi
833	+	])
834	+	AC_TRANSLATE_DEFINE(PAGEZERO_HACK, "$ac_cv_pagezero_hack",
835	+	[Define if the __PAGEZERO Mach-O Low Memory Globals hack works on this system.])
836	+
837		dnl Check if we can mmap 0x2000 bytes from 0x0000
838		AC_CACHE_CHECK([whether we can map Low Memory area 0x0000-0x2000],
839		ac_cv_can_map_lm, [
#	Line 573 | Line 857 | AC_CACHE_CHECK([whether we can map Low M
857		]
858		)
859
860	+	dnl Check if we have POSIX shared memory support
861	+	AC_CACHE_CHECK([whether POSIX shared memory is working],
862	+	ac_cv_have_posix_shm, [
863	+	AC_LANG_SAVE
864	+	AC_LANG_CPLUSPLUS
865	+	AC_TRY_RUN([
866	+	#define HAVE_POSIX_SHM
867	+	#include "vm_alloc.cpp"
868	+	int main(void) { /* returns 0 if we have working POSIX shm */
869	+	if (vm_init() < 0) exit(2);
870	+	char *m1 = (char *)vm_acquire(32768, VM_MAP_DEFAULT | VM_MAP_33BIT);
871	+	if (m1 == VM_MAP_FAILED) exit(3);
872	+	vm_exit(); exit(0);
873	+	}
874	+	], ac_cv_have_posix_shm=yes, ac_cv_have_posix_shm=no,
875	+	dnl When cross-compiling, do not assume anything.
876	+	ac_cv_have_posix_shm="guessing no"
877	+	)
878	+	AC_LANG_RESTORE
879	+	]
880	+	)
881	+	AC_TRANSLATE_DEFINE(HAVE_POSIX_SHM, "$ac_cv_have_posix_shm",
882	+	[Define if your system supports POSIX shared memory.])
883	+
884	+	dnl Check if we have working 33-bit memory addressing
885	+	AC_CACHE_CHECK([whether 33-bit memory addressing is working],
886	+	ac_cv_have_33bit_addressing, [
887	+	AC_LANG_SAVE
888	+	AC_LANG_CPLUSPLUS
889	+	AC_TRY_RUN([
890	+	#define USE_33BIT_ADDRESSING 1
891	+	#include "vm_alloc.cpp"
892	+	int main(void) { /* returns 0 if we have working 33-bit addressing */
893	+	if (sizeof(void *) < 8) exit(1);
894	+	if (vm_init() < 0) exit(2);
895	+	char *m1 = (char *)vm_acquire(32768, VM_MAP_DEFAULT | VM_MAP_33BIT);
896	+	if (m1 == VM_MAP_FAILED) exit(3);
897	+	char *m2 = m1 + (1L << 32);
898	+	m1[0] = 0x12; if (m2[0] != 0x12) exit(4);
899	+	m2[0] = 0x34; if (m1[0] != 0x34) exit(5);
900	+	vm_exit(); exit(0);
901	+	}
902	+	], ac_cv_have_33bit_addressing=yes, ac_cv_have_33bit_addressing=no,
903	+	dnl When cross-compiling, do not assume anything.
904	+	ac_cv_have_33bit_addressing="guessing no"
905	+	)
906	+	AC_LANG_RESTORE
907	+	]
908	+	)
909	+
910		dnl Check signal handlers need to be reinstalled
911		AC_CACHE_CHECK([whether signal handlers need to be reinstalled],
912		ac_cv_signal_need_reinstall, [
#	Line 634 | Line 968 | AC_CACHE_CHECK([whether sigaction handle
968		AC_TRANSLATE_DEFINE(SIGACTION_NEED_REINSTALL, "$ac_cv_sigaction_need_reinstall",
969		[Define if your system requires sigactions to be reinstalled.])
970
971	<	dnl Check if extended signals are supported.
972	<	AC_CACHE_CHECK([whether your system supports extended signal handlers],
973	<	ac_cv_have_extended_signals, [
971	>	dnl Check if Mach exceptions supported.
972	>	AC_CACHE_CHECK([whether your system supports Mach exceptions],
973	>	ac_cv_have_mach_exceptions, [
974	>	AC_LANG_SAVE
975	>	AC_LANG_CPLUSPLUS
976	>	AC_TRY_RUN([
977	>	#define HAVE_MACH_EXCEPTIONS 1
978	>	#define CONFIGURE_TEST_SIGSEGV_RECOVERY
979	>	#include "vm_alloc.cpp"
980	>	#include "sigsegv.cpp"
981	>	], [
982	>	sigsegv_recovery=mach
983	>	ac_cv_have_mach_exceptions=yes
984	>	],
985	>	ac_cv_have_mach_exceptions=no,
986	>	dnl When cross-compiling, do not assume anything.
987	>	ac_cv_have_mach_exceptions=no
988	>	)
989	>	AC_LANG_RESTORE
990	>	]
991	>	)
992	>	AC_TRANSLATE_DEFINE(HAVE_MACH_EXCEPTIONS, "$ac_cv_have_mach_exceptions",
993	>	[Define if your system supports Mach exceptions.])
994	>
995	>	dnl Check if Windows exceptions are supported.
996	>	AC_CACHE_CHECK([whether your system supports Windows exceptions],
997	>	ac_cv_have_win32_exceptions, [
998		AC_LANG_SAVE
999		AC_LANG_CPLUSPLUS
1000		AC_TRY_RUN([
1001	<	#define HAVE_SIGINFO_T 1
1001	>	#define HAVE_WIN32_EXCEPTIONS 1
1002		#define CONFIGURE_TEST_SIGSEGV_RECOVERY
1003		#include "vm_alloc.cpp"
1004		#include "sigsegv.cpp"
1005	<	], ac_cv_have_extended_signals=yes, ac_cv_have_extended_signals=no,
1005	>	], [
1006	>	sigsegv_recovery=win32
1007	>	ac_cv_have_win32_exceptions=yes
1008	>	],
1009	>	ac_cv_have_win32_exceptions=no,
1010		dnl When cross-compiling, do not assume anything.
1011	<	ac_cv_have_extended_signals=no
1011	>	ac_cv_have_win32_exceptions=no
1012		)
1013		AC_LANG_RESTORE
1014		]
1015		)
1016	<	AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals",
1017	<	[Define if your system support extended signals.])
1016	>	AC_TRANSLATE_DEFINE(HAVE_WIN32_EXCEPTIONS, "$ac_cv_have_win32_exceptions",
1017	>	[Define if your system supports Windows exceptions.])
1018	>
1019	>	dnl Otherwise, check if extended signals are supported.
1020	>	if [[ -z "$sigsegv_recovery" ]]; then
1021	>	AC_CACHE_CHECK([whether your system supports extended signal handlers],
1022	>	ac_cv_have_extended_signals, [
1023	>	AC_LANG_SAVE
1024	>	AC_LANG_CPLUSPLUS
1025	>	AC_TRY_RUN([
1026	>	#define HAVE_SIGINFO_T 1
1027	>	#define CONFIGURE_TEST_SIGSEGV_RECOVERY
1028	>	#include "vm_alloc.cpp"
1029	>	#include "sigsegv.cpp"
1030	>	], [
1031	>	sigsegv_recovery=siginfo
1032	>	ac_cv_have_extended_signals=yes
1033	>	],
1034	>	ac_cv_have_extended_signals=no,
1035	>	dnl When cross-compiling, do not assume anything.
1036	>	ac_cv_have_extended_signals=no
1037	>	)
1038	>	AC_LANG_RESTORE
1039	>	]
1040	>	)
1041	>	AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals",
1042	>	[Define if your system support extended signals.])
1043	>	fi
1044
1045		dnl Otherwise, check for subterfuges.
1046	<	if [[ "x$ac_cv_have_extended_signals" = "xno" ]]; then
1046	>	if [[ -z "$sigsegv_recovery" ]]; then
1047		AC_CACHE_CHECK([whether we then have a subterfuge for your system],
1048		ac_cv_have_sigcontext_hack, [
1049		AC_LANG_SAVE
#	Line 665 | Line 1053 | if [[ "x$ac_cv_have_extended_signals" =
1053		#define CONFIGURE_TEST_SIGSEGV_RECOVERY
1054		#include "vm_alloc.cpp"
1055		#include "sigsegv.cpp"
1056	<	], ac_cv_have_sigcontext_hack=yes, ac_cv_have_sigcontext_hack=no,
1056	>	], [
1057	>	sigsegv_recovery=sigcontext
1058	>	ac_cv_have_sigcontext_hack=yes
1059	>	],
1060	>	ac_cv_have_sigcontext_hack=no,
1061		dnl When cross-compiling, do not assume anything.
1062		ac_cv_have_sigcontext_hack=no
1063		)
#	Line 697 | Line 1089 | AC_TRANSLATE_DEFINE(HAVE_SIGSEGV_SKIP_IN
1089
1090		dnl Can we do Video on SEGV Signals ?
1091		CAN_VOSF=no
1092	<	if [[ "$ac_cv_have_extended_signals" = "yes" -o "$ac_cv_have_sigcontext_hack" = "yes" ]]; then
1092	>	if [[ -n "$sigsegv_recovery" ]]; then
1093		CAN_VOSF=yes
1094		fi
1095
1096	+	dnl A dummy program that returns always true
1097	+	AC_PATH_PROG([BLESS], "true")
1098	+
1099		dnl Determine the addressing mode to use
1100		if [[ "x$WANT_NATIVE_M68K" = "xyes" ]]; then
1101		ADDRESSING_MODE="real"
#	Line 711 | Line 1106 | else
1106		case $am in
1107		real)
1108		dnl Requires ability to mmap() Low Memory globals
1109	<	if [[ "x$ac_cv_can_map_lm" = "xno" ]]; then
1109	>	if [[ "x$ac_cv_can_map_lm$ac_cv_pagezero_hack" = "xnono" ]]; then
1110		continue
1111		fi
1112	<	dnl Requires VOSF screen updates
1112	>	dnl Requires VOSF screen updates
1113		if [[ "x$CAN_VOSF" = "xno" ]]; then
1114		continue
1115		fi
#	Line 722 | Line 1117 | else
1117		ADDRESSING_MODE="real"
1118		WANT_VOSF=yes dnl we can use VOSF and we need it actually
1119		DEFINES="$DEFINES -DREAL_ADDRESSING"
1120	+	if [[ "x$ac_cv_pagezero_hack" = "xyes" ]]; then
1121	+	BLESS=Darwin/lowmem
1122	+	LDFLAGS="$LDFLAGS -pagezero_size 0x2000"
1123	+	fi
1124		break
1125		;;
1126		direct)
#	Line 774 | Line 1173 | AC_MSG_RESULT($HAVE_GAS)
1173		dnl Check for GCC 2.7 or higher.
1174		HAVE_GCC27=no
1175		AC_MSG_CHECKING(for GCC 2.7 or higher)
1176	<	AC_EGREP_CPP(xyes,
1177	<	[#if __GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5
1178	<	xyes
1179	<	#endif
1180	<	], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no))
1176	>	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if ! (__GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5)
1177	>	# error gcc < 2.7
1178	>	#endif
1179	>	]])],
1180	>	[AC_MSG_RESULT(yes); HAVE_GCC27=yes],
1181	>	[AC_MSG_RESULT(no)])
1182
1183		dnl Check for GCC 3.0 or higher.
1184		HAVE_GCC30=no
1185		AC_MSG_CHECKING(for GCC 3.0 or higher)
1186	<	AC_EGREP_CPP(xyes,
1187	<	[#if __GNUC__ >= 3
1188	<	xyes
1189	<	#endif
1190	<	], [AC_MSG_RESULT(yes); HAVE_GCC30=yes], AC_MSG_RESULT(no))
1186	>	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if ! (__GNUC__ >= 3)
1187	>	# error gcc < 3
1188	>	#endif
1189	>	]])],
1190	>	[AC_MSG_RESULT(yes); HAVE_GCC30=yes],
1191	>	[AC_MSG_RESULT(no)])
1192	>
1193	>	dnl Check for ICC.
1194	>	AC_MSG_CHECKING(for ICC)
1195	>	HAVE_ICC=no
1196	>	if $CXX -V -v 2>&1 | grep -q "Intel(R) C++ Compiler"; then
1197	>	HAVE_ICC=yes
1198	>	fi
1199	>	AC_MSG_RESULT($HAVE_ICC)
1200
1201		dnl Set "-fomit-frame-pointer" on i386 GCC 2.7 or higher.
1202		dnl Also set "-fno-exceptions" for C++ because exception handling requires
#	Line 802 | Line 1211 | dnl As of 2001/08/02, this affects the f
1211		dnl Official: probably gcc-3.1 (mainline CVS)
1212		dnl Mandrake: gcc-2.96 >= 0.59mdk, gcc-3.0.1 >= 0.1mdk
1213		dnl Red Hat : gcc-2.96 >= 89, gcc-3.0 >= 1
1214	<	if [[ "x$HAVE_GCC27" = "xyes" ]]; then
1214	>	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then
1215		SAVED_CXXFLAGS="$CXXFLAGS"
1216		CXXFLAGS="$CXXFLAGS -fno-merge-constants"
1217		AC_CACHE_CHECK([whether GCC supports constants merging], ac_cv_gcc_constants_merging, [
#	Line 816 | Line 1225 | if [[ "x$HAVE_GCC27" = "xyes" ]]; then
1225		fi
1226		fi
1227
1228	+	dnl Store motion was introduced in 3.3-hammer branch and any gcc >= 3.4
1229	+	dnl However, there are some corner cases exposed on x86-64
1230	+	if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then
1231	+	SAVED_CXXFLAGS="$CXXFLAGS"
1232	+	CXXFLAGS="$CXXFLAGS -fno-gcse-sm"
1233	+	AC_CACHE_CHECK([whether GCC supports store motion], ac_cv_gcc_store_motion, [
1234	+	AC_LANG_SAVE
1235	+	AC_LANG_CPLUSPLUS
1236	+	AC_TRY_COMPILE([],[],[ac_cv_gcc_store_motion=yes],[ac_cv_gcc_store_motion=no])
1237	+	AC_LANG_RESTORE
1238	+	])
1239	+	if [[ "x$ac_cv_gcc_store_motion" != "xyes" ]]; then
1240	+	CXXFLAGS="$SAVED_CXXFLAGS"
1241	+	fi
1242	+	fi
1243	+
1244	+	dnl Add -fno-strict-aliasing for slirp sources
1245	+	if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1246	+	SAVED_CFLAGS="$CFLAGS"
1247	+	CFLAGS="$CFLAGS -fno-strict-aliasing"
1248	+	AC_CACHE_CHECK([whether the compiler supports -fno-strict-aliasing],
1249	+	ac_cv_gcc_no_strict_aliasing, [
1250	+	AC_TRY_COMPILE([],[],
1251	+	[ac_cv_gcc_no_strict_aliasing=yes; AC_SUBST(SLIRP_CFLAGS, "-fno-strict-aliasing")],
1252	+	[ac_cv_gcc_no_strict_aliasing=no])
1253	+	])
1254	+	CFLAGS="$SAVED_CFLAGS"
1255	+	fi
1256	+
1257	+	dnl Add -mdynamic-no-pic for MacOS X (XXX icc10 will support MacOS X)
1258	+	if [[ "x$HAVE_GCC30" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then
1259	+	SAVED_CFLAGS="$CFLAGS"
1260	+	CFLAGS="$CFLAGS -mdynamic-no-pic"
1261	+	AC_CACHE_CHECK([whether the compiler supports -mdynamic-no-pic],
1262	+	ac_cv_gcc_mdynamic_no_pic, [
1263	+	AC_TRY_COMPILE([],[],[ac_cv_gcc_mdynamic_no_pic=yes],[ac_cv_gcc_mdynamic_no_pic=no])
1264	+	])
1265	+	if [[ "x$ac_cv_gcc_mdynamic_no_pic" = "xyes" ]]; then
1266	+	CXXFLAGS="$CXXFLAGS -mdynamic-no-pic"
1267	+	else
1268	+	CFLAGS="$SAVED_CFLAGS"
1269	+	fi
1270	+	fi
1271	+
1272		dnl Select appropriate CPU source and REGPARAM define.
1273		ASM_OPTIMIZATIONS=none
1274		CPUSRCS="cpuemu1.cpp cpuemu2.cpp cpuemu3.cpp cpuemu4.cpp cpuemu5.cpp cpuemu6.cpp cpuemu7.cpp cpuemu8.cpp"
#	Line 840 | Line 1293 | elif [[ "x$HAVE_GCC30" = "xyes" -a "x$HA
1293		if [[ "x$HAVE_GAS" = "xyes" ]]; then
1294		ASM_OPTIMIZATIONS="x86-64"
1295		DEFINES="$DEFINES -DX86_64_ASSEMBLY -DOPTIMIZED_FLAGS"
1296	+	JITSRCS="cpuemu1_nf.cpp cpuemu2_nf.cpp cpuemu3_nf.cpp cpuemu4_nf.cpp cpuemu5_nf.cpp cpuemu6_nf.cpp cpuemu7_nf.cpp cpuemu8_nf.cpp $JITSRCS"
1297	+	CAN_JIT=yes
1298	+	WANT_33BIT_ADDRESSING=yes
1299		fi
1300		elif [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_SPARC" = "xyes" -a "x$HAVE_GAS" = "xyes" ]]; then
1301		dnl SPARC CPU
#	Line 896 | Line 1352 | else
1352		JITSRCS=""
1353		fi
1354
1355	+	dnl Use 33-bit memory addressing?
1356	+	if [[ "$ac_cv_have_33bit_addressing:$WANT_33BIT_ADDRESSING" = "yes:yes" ]]; then
1357	+	use_33bit_addressing=yes
1358	+	fi
1359	+	AC_TRANSLATE_DEFINE(USE_33BIT_ADDRESSING, "$use_33bit_addressing",
1360	+	[Define to use 33-bit memory addressing on 64-bit JIT capable systems.])
1361	+
1362		dnl Utility macro used by next two tests.
1363		dnl AC_EXAMINE_OBJECT(C source code,
1364		dnl     commands examining object file,
#	Line 1093 | Line 1556 | fi
1556
1557		dnl Remove the "-g" option if set for GCC.
1558		if [[ "x$HAVE_GCC27" = "xyes" ]]; then
1559	<	CFLAGS=`echo $CFLAGS | sed -e 's/-g//g'`
1560	<	CXXFLAGS=`echo $CXXFLAGS | sed -e 's/-g//g'`
1559	>	CFLAGS=`echo $CFLAGS | sed -e 's/-g\b//g'`
1560	>	CXXFLAGS=`echo $CXXFLAGS | sed -e 's/-g\b//g'`
1561		fi
1562
1563		dnl Or if we have -IPA (MIPSPro compilers)
#	Line 1110 | Line 1573 | AC_SUBST(DEFINES)
1573		AC_SUBST(SYSSRCS)
1574		AC_SUBST(CPUINCLUDES)
1575		AC_SUBST(CPUSRCS)
1576	+	AC_SUBST(BLESS)
1577	+	AC_SUBST(KEYCODES)
1578		AC_CONFIG_FILES([Makefile])
1579		AC_OUTPUT
1580
#	Line 1117 | Line 1582 | dnl Print summary.
1582		echo
1583		echo Basilisk II configuration summary:
1584		echo
1585	+	echo SDL support ............................ : $SDL_SUPPORT
1586		echo XFree86 DGA support .................... : $WANT_XF86_DGA
1587		echo XFree86 VidMode support ................ : $WANT_XF86_VIDMODE
1588		echo fbdev DGA support ...................... : $WANT_FBDEV_DGA
#	Line 1130 | Line 1596 | echo JIT debug mode ....................
1596		echo Floating-Point emulation core .......... : $FPE_CORE
1597		echo Assembly optimizations ................. : $ASM_OPTIMIZATIONS
1598		echo Addressing mode ........................ : $ADDRESSING_MODE
1599	+	echo Bad memory access recovery type ........ : $sigsegv_recovery
1600		echo
1601		echo "Configuration done. Now type \"make\" (or \"gmake\")."

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